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MOV-20D821KTR
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MOV-20D821KTR

Product Overview

Category

The MOV-20D821KTR belongs to the category of Metal Oxide Varistors (MOVs).

Use

It is used for surge protection in electronic circuits and devices.

Characteristics

  • High energy absorption capacity
  • Fast response time
  • Wide operating voltage range

Package

The MOV-20D821KTR is typically available in a disc-shaped package.

Essence

The essence of MOV-20D821KTR lies in its ability to protect electronic equipment from voltage surges and transients.

Packaging/Quantity

It is commonly packaged in reels or trays, with quantities varying based on manufacturer specifications.

Specifications

  • Voltage Rating: 820V
  • Peak Current: 20kA
  • Maximum Energy: 360J
  • Operating Temperature Range: -40°C to 85°C

Detailed Pin Configuration

The MOV-20D821KTR typically has two leads for connection in a circuit. The pin configuration may vary based on the manufacturer's design.

Functional Features

  • Voltage clamping during transient events
  • Dissipation of excess energy as heat
  • Rapid response to voltage spikes

Advantages

  • Effective protection against voltage surges
  • Fast reaction time
  • Wide operating temperature range

Disadvantages

  • Limited lifespan after repeated surges
  • Susceptibility to degradation over time

Working Principles

When a voltage surge occurs, the MOV-20D821KTR conducts current, diverting the excess energy away from the protected circuit. This action helps to limit the voltage across the circuit, thereby safeguarding the connected electronic components.

Detailed Application Field Plans

The MOV-20D821KTR is commonly used in various applications such as: - Power supply units - Telecommunication equipment - Industrial control systems - Consumer electronics

Detailed and Complete Alternative Models

Some alternative models to MOV-20D821KTR include: - V20E820P - 820V, 20kA - ERZ-V20D821 - 820V, 20kA - S20K820E2 - 820V, 20kA

In conclusion, the MOV-20D821KTR serves as a crucial component in protecting electronic devices from voltage surges and transients. Its high energy absorption capacity, fast response time, and wide operating voltage range make it an essential element in ensuring the reliability and longevity of electronic equipment.

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Sebutkan 10 pertanyaan dan jawaban umum terkait penerapan MOV-20D821KTR dalam solusi teknis

  1. What is the MOV-20D821KTR used for?

    • The MOV-20D821KTR is a metal oxide varistor (MOV) that is commonly used for overvoltage protection in various electronic and electrical systems.

  2. What is the maximum voltage rating of the MOV-20D821KTR?

    • The maximum voltage rating of the MOV-20D821KTR is 130V AC and 175V DC.

  3. What is the energy absorption capability of the MOV-20D821KTR?

    • The MOV-20D821KTR has a high energy absorption capability, making it suitable for protecting sensitive electronic components from transient voltage spikes.

  4. Can the MOV-20D821KTR be used in outdoor applications?

    • Yes, the MOV-20D821KTR is designed to withstand outdoor conditions and can be used in outdoor applications where overvoltage protection is required.

  5. Is the MOV-20D821KTR suitable for use in surge protectors?

    • Yes, the MOV-20D821KTR is commonly used in surge protectors to suppress voltage surges and protect connected equipment.

  6. What is the response time of the MOV-20D821KTR?

    • The MOV-20D821KTR has a very fast response time, providing rapid protection against voltage transients.

  7. Can the MOV-20D821KTR be used in low-voltage applications?

    • Yes, the MOV-20D821KTR can be used in both low-voltage and high-voltage applications, providing reliable overvoltage protection across a wide range of voltages.

  8. Does the MOV-20D821KTR require any additional heat sinking or cooling?

    • No, the MOV-20D821KTR is designed to operate within its temperature limits without requiring additional heat sinking or cooling.

  9. What are the typical applications of the MOV-20D821KTR?

    • The MOV-20D821KTR is commonly used in power supplies, telecommunications equipment, industrial machinery, and other electronic devices requiring overvoltage protection.

  10. Are there any special handling considerations for the MOV-20D821KTR during installation?

    • When installing the MOV-20D821KTR, it's important to follow proper ESD (electrostatic discharge) precautions to prevent damage to the component. Additionally, ensure that the device is securely mounted and connected according to the manufacturer's guidelines.